The UP is certainly not for hard-core health nuts and exercisers who want something scientifically accurate. The UP is for average folks who want to have a better idea of how active they are — or are not — and who want to use the high-level data the UP provides them as a way to make daily and lifestyle changes regarding their activity.

As with all of Shawn's reviews, his rundown is exhaustive in its detail. If you're going to read one review of the UP, make it his.